Dual FET Buffers (was: Re: [sdiy] Kraakdoos line out)

Scott Gravenhorst music.maker at gte.net
Sat May 21 18:07:04 CEST 2005


=?ISO-8859-1?Q?Ren=E9_Schmitz?= <uzs159 at uni-bonn.de> wrote:
>Hi Scott and all,
>
>Scott Gravenhorst wrote:
>> The two FETs and two resistor method - is this the one Don Tillman
>> posted a while back?  
>
>I don't know, but I think Ian meant the circuit in the attachment.

Excellent, thanks.  I've not seen that before.  What sort of range would
the resistors' values be?  Should they both be the same value?  Megs? 
100s of K?

>> An N-FET and a P-FET?  Would this work with MOSFETs?  
>
>You can build complementary source followers with MOSFETs too, but you 
>usually have to do some biassing, to avoid crossover distortion.

Shows what I don't know...  

>Cheers,
>  René
>-- 
>uzs159 at uni-bonn.de
>http://www.uni-bonn.de/~uzs159
>
>
>
>

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